回答編集履歴
1
追記（コードを改善）
test
CHANGED
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@@ -57,3 +57,73 @@
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}
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```
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---
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64
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65
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66
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67
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**追記**
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68
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69
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70
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`is_preview()`判定を追加しました。
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72
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73
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74
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75
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```PHP
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76
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77
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add_action( 'template_redirect', 'teratail243258_shimosaka_h' );
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function teratail243258_shimosaka_h()
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{
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global $post;
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$uri = $_SERVER['REQUEST_URI'];
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if (!is_object($post) || !$post->post_parent || is_preview())
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{
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return;
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}
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else
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100
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{
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$parent_slug = get_post($post->post_parent)->post_name;
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}
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107
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108
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// URIに親投稿のスラッグが含まれていなかったら
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110
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if (!stristr($uri, $parent_slug))
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{
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global $wp_query;
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$wp_query->set_404();
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status_header(404);
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}
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return;
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}
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```
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